CLE-LINE Aircraft Extension Drill: 21/64", 6" Overall Lg, 135° Split Point
SKU 3G-OTH-195225
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Frequently Asked Questions
What is a CLE-LINE aircraft extension drill used for?
A CLE-LINE aircraft extension drill is used for drilling in tight or hard-to-reach spaces, common in aerospace and metal fabrication. Its extended length provides access where standard drills cannot reach, while the 135° split point reduces walking on curved surfaces.
What are the specifications of the CLE-LINE C23638 drill bit?
The CLE-LINE C23638 is a 21/64" high-speed steel aircraft extension drill with a 6" overall length, 135° split point, and black oxide finish. The black oxide coating improves lubricity and corrosion resistance. It is designed for drilling in steel, aluminum, and other metals.
Where to buy CLE-LINE aircraft extension drill bits worldwide?
3G Electric supplies CLE-LINE aircraft extension drill bits worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver to your facility. Contact us for pricing and lead time on the C23638 and other sizes.
How to select the right aircraft extension drill bit size?
Select an aircraft extension drill bit by matching the diameter to your fastener or hole requirement. The CLE-LINE C23638 is 21/64" (0.3281"). Ensure the overall length, here 6", provides sufficient reach. The 135° split point aids self-centering on curved surfaces common in aircraft structures.
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Common applications for CLE-LINECLE-LINE Products
3G Electric supplies CLE-LINE high-speed steel aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















